We have a brick built shed with a concrete roof, which serves me as workshop. Unfortunately when we moved in the torched on felt (the proper three-layer system) had died in a large part, and water could make its way inside. Thus it needed re-roofing.
Now, whilst I have no experience roofing beyond tacking down felt on wooden roofs (which is infinitely simpler than what ended up happening), I immediately decided to volunteer to re-roof it if the landlord would pay. And since it made no sense to do one side, I offered to do the neighbour’s half as well (the shed is semi-detached). The reasoning at the time was that a proper reroofing job would be at least a grand, and the landlord was unlikely to volunteer that for a small leak. More likely he would put some sealer on; the problem would reappear; etc. (I have no evidence this would actually be the case as I did not ask him. But it’s what I’d likely do if someone said the shed was leaking—repair it for a year or so and try to get friendly with a roofer in the meanwhile.) Whereas I wanted to know the tools and wood inside were properly dry. And besides, I’d never done anything of the kind.
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